1. bladder a muscular tube which transports food from the pharynx to the stomach. 2. chyme hair-like parts of the small intestine that absorb nutrients from food. 3. digestion the process by which food is converted into a form that can be used by cells. 4. esophagus a hollow, muscular organ at the bottom of the abdomen that holds and discharges urine. 5. urine partly digested food that is passed from the stomach to the small intestine. 6. villi a liquid filtered from the blood by the kidneys and discharged by the body as waste.